Card Number Validation in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 375th madeforlosers 720 89 17 Oct 2024 375th junkondo-jp 720 89 14 Dec 2024 378th MeWhenI 🇻🇦 718 78 2 Oct 2024 379th voytxt 🇨🇿 716 89 17 Apr 2025 380th mousetail 🇳🇱 715 111 6 Oct 2024 381st annaproxy 715 132 1 Oct 2024 382nd Shanethegamer 🇺🇸 714 112 3 Oct 2024 383rd alexsave 712 90 28 Oct 2024 384th anter69 🇭🇺 711 67 1 Oct 2024 385th rzv-me 710 95 5 Oct 2024 386th OllieBoyne 🇬🇧 708 112 17 Oct 2024 386th WillConker 708 112 22 Oct 2024 386th maxgodfrey2004 🇨🇦 708 112 4 Jan 2025 389th snyderek 🇺🇸 708 121 1 Oct 2024 390th Natanaelel 🇸🇪 705 55 1 Mar 2025 391st MeWhenI 🇻🇦 704 73 3 Oct 2024 392nd MeWhenI 🇻🇦 704 115 5 Oct 2024 393rd DialFrost 🇸🇬 704 132 8 Apr 2025 394th SB-945 702 113 1 Oct 2024 394th Artemis21 🇬🇧 702 113 23 Jan 2025 396th janlelis 701 68 1 Oct 2024 397th cbrt-x 701 157 1 Oct 2024 398th Alex-x90 🇺🇸 699 100 1 Oct 2024 399th mousetail 🇳🇱 699 133 3 Oct 2024 400th emgordon154 697 76 8 days ago 401st BlankSpruce 697 123 1 Oct 2024 402nd LukeBridges 🇬🇧 696 92 3 Oct 2024 403rd HumanoidCPU 696 114 7 Mar 2025 404th Shanethegamer 🇺🇸 693 41 4 Oct 2024 405th emgordon154 693 134 25 Feb 2025 406th emgordon154 692 101 25 Nov 2024 407th tobeannouncd 692 159 13 Dec 2024 408th Alex-x90 🇺🇸 691 124 1 Oct 2024 408th Herbert00709 🇵🇱 691 124 16 hours ago 410th jipsong 🇩🇪 690 115 12 May 2025 411th Salutations45 689 93 17 Nov 2024 411th strattonwhisler 689 93 26 Mar 2025 413th pardouin 🇫🇷 687 57 3 Oct 2024 414th emgordon154 687 111 12 Jan 2025 415th NickTheEASDude 🇺🇸 686 115 17 Dec 2024 416th MeWhenI 🇻🇦 684 68 2 Oct 2024 417th Bmrl7 684 116 3 Oct 2024 417th rowechenzhong 684 116 17 Oct 2024 419th error256 681 104 14 Oct 2024 420th CatsAreFluffy 680 53 27 Dec 2024 421st madex 🇩🇪 679 103 2 Oct 2024 422nd dtbao20 🇻🇳 678 117 1 Oct 2024 422nd Pyroan 678 117 22 Feb 2025 422nd andrewjc2000 678 117 6 May 2025 425th plcc0 676 37 6 Apr 2025 426th the-zammers 675 163 1 Dec 2024 427th Shanethegamer 🇺🇸 674 65 1 Oct 2024 428th MeWhenI 🇻🇦 673 108 2 Oct 2024 429th BlankSpruce 672 104 1 Oct 2024 430th elgan65536 672 118 2 Oct 2024 430th logvp 672 118 6 Oct 2024 430th ahmetdemirag 🇨🇾 672 118 6 Feb 2025 430th albanian-laundromat 672 118 14 Mar 2025 430th plcc0 672 118 6 Apr 2025 430th KatieLG 🇬🇧 672 118 20 Apr 2025 436th aDwarfNamedUrist 671 164 16 Oct 2024 437th tailorspy 669 128 4 Oct 2024 438th error256 668 101 24 Oct 2024 439th jtaxen 667 119 21 Oct 2024 439th psbpsbp 667 119 19 Dec 2024 439th klixel 🇨🇦 667 119 9 Apr 2025 442nd Herbert00709 🇵🇱 666 105 16 hours ago 443rd jwhear 🇺🇸 666 197 1 Oct 2024 444th TaserTheFox 🇺🇸 661 120 8 Oct 2024 444th yokasuretsu 661 120 26 Jan 2025 444th Troon 661 120 17 Feb 2025 444th keelimeguy 🇺🇸 661 120 35 hours ago 448th two-bad 🇬🇧 660 97 2 Oct 2024 449th rniii 660 106 2 Oct 2024 449th gastropner 660 106 11 Feb 2025 Prev 376–450 of 683 Next